<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			@keyframes myanim{
				from{ width: 6.25rem;}
				to{height: 18.75rem;}
			}
			div{
				width: 6.25rem;
				height: 6.25rem;
				background-color: #000000;
			}
			div:hover{
				animation: myanim 2s;
				width: 6.25rem;
				height: 6.25rem;
				background-color: #000000;
			}
			
		</style>
	</head>
	<body>
		<div></div>
	</body>
</html>
